Communications – electrical: acoustic wave systems and devices – Signal transducers – Receivers
Patent
1984-10-23
1986-06-10
Blum, Theodore M.
Communications, electrical: acoustic wave systems and devices
Signal transducers
Receivers
H04R 1100
Patent
active
045946981
ABSTRACT:
This invention includes a seismic detector located in the bottom portion of a casing. The upper portion of said casing contains a printed circuit disc. The printed circuit disc is provided to serve as a junction between the conductor wires of the geophone leader cable and the geophone's terminals, and to anchor the geophone leader cable to the geophone casing.
REFERENCES:
patent: 3911388 (1975-10-01), Crump et al.
Blum Theodore M.
Breston Michael P.
Oyo Corporation
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